You seem to have 2 questions here. First, is the uplink secure, and second, how to secure WiFi.
Re #1, not sure, but I do know that one time I was mucking with internal route statements (internal to my LAN) and inadvertently was able to ping an upstream router on a 10.x.x.x network. Re #2, WiFi: It is worth noting that since WiFi broadcasts a signal, there is inherently less security around it when compared against a wired network. With that said, there are steps you can take to mitigate the open nature of WiFi networks: * Make sure to setup the strongest level of encryption available on your WiFi device and use a strong non-dictionary word password (use a password generator that spits out gibberish but that will include uppercase, lowercase, symbols, and numbers) * Do not broadcast the SSID * Use access control to limit who can connect to your WiFi device * Change the default password on all of your devices including the WiFi devices (this is just good security) * Monitor the logs on the WiFi devices (routers). Most let you direct logs to a Syslog server. Do it, then periodically monitor the syslog entries. * You should also check out the NSA's website. They have guidelines on how to secure devices including PC's, MACs, and WiFi routers. Hope this helps, Tal -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Scott Ehrlich Sent: Monday, May 03, 2010 6:46 AM To: [email protected] Subject: [BBLISA] Wired to wireless? A question for the comm techies out there - You have a wired network via a major provider - comcast, verizon, rcn, etc, at your home. Your neighbor (someone on your street) also subscribes to the same provider. Can they see your traffic? Can you see theirs? I ask because I just don't trust wifi enough for home use. I am wondering, though, how far my information goes when it leaves my cable modem? How do the providers handle it - or is it under DOCSIS rules? If my data is isolated from me to the headend, protected from the neighbors or anyone else on the network, then I would feel a bit better. Thanks for any good educational insight on this. Depending on the answer, it _might_ help sway me to consider wifi at home. Scott _______________________________________________ bblisa mailing list [email protected] http://www.bblisa.org/mailman/listinfo/bblisa
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